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Communication | Regular issue | Vol 14, No. 7, 1980, pp.959-961
Published online, 1st January, 1970
DOI: 10.3987/R-1980-07-0959
Thermal Cyclization of Enamides

Takeaki Naito and Ichiya Ninomiya*

*Kobe Women’s College of Pharmacy, Motoyamakita, Higashinad, Kobe, Hyogo 658, Japan

Abstract

Enamides of N-aroylenamine type (2) and (7a), which contain an electron deficient aromatic ring, undergo facile cyclization not only photochemically but also thermally to afford the corresponding azaberbines (3), (4), (5), and (8) in good yields respectively.